Finding the Fourth Proportional to 1,668,901.20, 2,502,245.75 and 603,804.66
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Solution
The fourth proportional to 1,668,901.20, 2,502,245.75 and 603,804.66 is: 905,306.82
Step by Step Solution
- Step 1: Write the proportion equation
1,668,901.20 : 2,502,245.75 = 603,804.66 : x - Step 2: Convert to fraction form
1,668,901.20/2,502,245.75 = 603,804.66/x - Step 3: Cross multiply
1,668,901.20x = 2,502,245.75 × 603,804.66 - Step 4: Simplify right side
1,668,901.20x = 1,510,867,641,296.17 - Step 5: Solve for x
x = 1,510,867,641,296.17/1,668,901.20 - Step 6: Final answer
x = 905,306.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.